3v4l.org

run code in 300+ PHP versions simultaneously
<?php preg_match( "/^ndg_keywords\.partial\('[a-zA-Z_\ ]+\'\)/", "ndg_keywords.partial('a_Imelda Staunton ')", $matches); echo $matches[1]; // 1234 ?>

preferences:
42.59 ms | 402 KiB | 5 Q